<template>
    <div>
        <!-- 面包屑导航 -->
        <!-- 搜索筛选 -->
        <el-form :inline="true" class="user-search">
            <el-form-item>
                <el-button size="small" type="primary" icon="el-icon-search" @click="selectSlideshow()">查询</el-button>
            </el-form-item>
            <el-form-item label="">
                <el-button size="small" type="primary" icon="el-icon-plus" @click="handleEdit()">添加</el-button>
            </el-form-item>
        </el-form>
        <!--列表-->
        <el-table size="small" :data="listData" highlight-current-row v-loading="loading" border
            element-loading-text="拼命加载中" style="width: 100%;">

            <el-table-column align="center" type="index" width="60" label="序号">
            </el-table-column>

            <el-table-column prop="name" label="分类名称" width="120">

            </el-table-column>

            <el-table-column align="center" label="操作" min-width="300">
                <template slot-scope="scope">
                    <el-button size="mini" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
                    <el-button size="mini" type="danger"
                        @click="deleteSlideshow(scope.$index, scope.row)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页组件 -->

        <!-- 编辑界面 -->
        <el-dialog :title="title" :visible.sync="editFormVisible" width="50%" @click="closeDialog">
            <el-form label-width="120px" ref="editForm">
                <el-form-item label="分类名称" style="">
                    <el-input size="small" v-model="formData.name" auto-complete="off" placeholder="请输入分类名称"></el-input>
                </el-form-item>

              
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button size="small" @click="closeDialog">取消</el-button>
                <el-button size="small" type="primary" :loading="loading" class="title" @click="addSlideshow()"
                    v-if="title == '添加'">添加</el-button>
                <el-button size="small" type="primary" :loading="loading" class="title" @click="upSlideshow()"
                    v-if="title == '修改'">修改</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import {
    selectIndexDetailByIndexIds, addIndexDetails,updateIndexDetails,deleteIndexDetailByIds
} from "../../api/userMG";
import Pagination from "../../components/Pagination";
import client from "@/utils/ossClient.js";
export default {
    data() {
        return {
            loading: false, //是显示加载
            editFormVisible: false, //控制编辑页面显示与隐藏
            title: "添加",
            listData: [], //
            // 分页参数
            pageparm: {
                currentPage: 1,
                pageSize: 20,
                total: 10,
            },
            formData: {
                name: "",
                indexId: '',
                type:2,
            },
            columnPageItem: {},
        };
    },
    // 注册组件
    components: {
        Pagination,
    },

    /**
     * 数据发生改变
     */

    /**
     * 创建完毕
     */
    created() {
        this.selectSlideshow()
    },
    /**
     * 里面的方法只有被调用才会执行
     */
    methods: {
        // 删除
        deleteSlideshow(index, row) {
            this.$confirm("确定要删除吗?", "信息", {
                confirmButtonText: "确定",
                cancelButtonText: "取消",
                type: "warning",
            })
                .then(() => {
                    deleteIndexDetailByIds({ id: row.id })
                        .then((res) => {
                            if (res.code == 200) {
                                this.$message({
                                    type: "success",
                                    message: "已删除！",
                                });
                                this.selectSlideshow();
                            } else {
                                this.$message({
                                    type: "info",
                                    message: res.msg,
                                });
                            }
                        })
                        .catch((err) => {
                            this.loading = false;
                            this.$message.error("删除失败，请稍后再试！");
                        });
                })
                .catch(() => {
                    this.$message({
                        type: "info",
                        message: "已取消删除",
                    });
                });
        },

        //修改轮播图
        upSlideshow() {
            this.loading = true;
            var formData = JSON.parse(JSON.stringify(this.formData));
            
            updateIndexDetails(formData).then((res) => {
                this.loading = false;
                if (res.code == 200) {
                    this.editFormVisible = false
                    this.$message({
                        type: "success",
                        message: res.msg,
                    });
                    this.selectSlideshow();
                } else {
                    this.$message.error(res.msg);
                }
            });
        },

        //添加轮播图
        addSlideshow() {
            this.loading = true;
            var formData = JSON.parse(JSON.stringify(this.formData))
            let columnPageItem = JSON.parse(localStorage.getItem('columnPageItem'))
            this.formData.indexId = columnPageItem.id
            addIndexDetails(this.formData).then((res) => {
                this.loading = false;
                if (res.code == 200) {
                    this.editFormVisible = false

                    this.$message({
                        type: "success",
                        message: res.msg,
                    });
                    this.selectSlideshow();
                } else {
                    this.$message.error(res.msg);
                }
            });
        },
        //自定义上传方法..
        mainImgUpload(file) {
            //判断扩展名
            const tmpcnt = file.file.name.lastIndexOf(".");
            const exname = file.file.name.substring(tmpcnt + 1);
            const names = ["jpg", "jpeg", "webp", "png", "bmp"];
            if (names.indexOf(exname) < 0) {
                this.$message.error("不支持的格式!");
                return;
            }
            const fileName = file.file.uid + "." + exname;
            client
                .put(fileName, file.file)
                .then((res) => {
                    if (res.url) {
                        this.formData.image = res.url;
                    } else {
                        this.$message.error("文件上传失败");
                    }
                })
                .catch((err) => { });
        },
        // 获取轮播图
        selectSlideshow() {
            let columnPageItem = JSON.parse(localStorage.getItem('columnPageItem'))
            this.loading = true;
            selectIndexDetailByIndexIds({
                indexId: columnPageItem.id
            }).then((res) => {
                this.loading = false;
                if (res.code == 200) {
                    this.listData = res.data.data;
                    return;
                }
                this.$message({
                    type: "info",
                    message: res.msg,
                })
            });
        },
        // 分页插件事件
        callFather(parm) {
            this.getDishesList(parm.currentPage);
        },

        //显示编辑界面
        handleEdit: function (index, row) {
            this.editFormVisible = true;
            if (row != undefined && row != "undefined") {
                this.title = "修改";
                this.formData.id = row.id;
                this.formData.name = row.name;
                this.formData.indexId = row.indexId;
                this.formData.type = row.type;
               
            } else {
                this.title = "添加";
                this.formData.id =''
                this.formData.name = ''
                this.formData.indexId =''

            }
        },

        // 关闭编辑、增加弹出框
        closeDialog() {
            this.editFormVisible = false;
        },
    },
};
</script>

<style scoped>
.user-search {
    margin-top: 20px;
}

.userRole {
    width: 100%;
}

.upload-demo {
    display: flex;
    flex-direction: row;
}

.upload-demo img {
    width: 140px;
    height: 140px;
}
</style>